I have a scenario which needs to be handled in Oracle SQL – that is a requirement. This is a book lending scenario which I am trying to create. Each student is entitled only so many number of books which is based on a credit system. In this sample Student ID ‘100’ is entitled for 4 books. Need to generate
Tag: count
SQL Server – Generate a column value which satisfy same condition in a day
I have a transaction table (Tran_Table) that contains Account Number, Transaction Date, Transaction Amount. I would like to generate a column that has “Yes” or “No” info in case if a transaction repeated in same day with same amount for same customer. Table and generated value example are shown below. how can i do this? Answer You can use window
COUNT Multiple Columns using GROUP BY – SQL
I am trying to create a GROUP BY COUNT of ~30 columns in my database. The database is basically a shiftplan, where on each column a row can be assigned different shift types (denoted as a D, N, A, X, F, C, etc..). I can use the following query to get a count of each shift type, am struggling to
SQL count distinct # of calls 6 months prior to create date
Am trying to figure out the SQL to: count # of distinct calls made on an account 6 months prior to the account being created I also need to CAST the date field. I’m thinking something like: case …
Can I Select DISTINCT on 2 columns and Sum grouped by 1 column in one query?
Is it possible to write one query, where I would group by 2 columns in a table to get the count of total members plus get a sum of one column in that same table, but grouped by one column? For example, the data looks like this I want to get a count on distinct combinations of columns “OHID” and
PB / SQLite3 JOIN COMPARE TABLES
I have Two tables : T1 T2 In SQLITE3 I search for n1T2 and n2T2 names, the count of same values between i1T1 and i1T2 I var_dump for display, in wait best method Answer It looks like you want a join and aggregation:
Add additional column to the query output
I have the following query that is grabbing data from a table and combining all the products into one column and counting the quantity of that order. I need to add an additional column to the output though, how can I also add ship_date? This is how the original table is laid out: And this is how the query outputs
counting totals after left join and requiring 0 for a NULL variable – SQL Server
I am using SQL Server Management Studio 2012 and I am running the following query: I would like the total number of appointments for these 3 individuals for now. Then, I will include everyone in Table 1. Table 1 gives me the ID (one row per individual), Table 2 gives me all appointments across different days per individual. The results
How to return several columns for subquery added to select?
I have a query like this: select e.field1, e.field2, (select count(field3) from tbl1 where someField = e.field1 group By someType ) as count_1, (select count(field4) from tbl1 where …
Count occurrences in SQL
I have a table with the following data And I would like to have for each ID how many occurrences of each type there are Is there a way in SQL (something like a pivot table) Answer I would recommend conditional aggregation. This is a cross-database solution that is more flexible than vendor-specific solutions (and at least as efficient):